The Quick-Sling® QSWB4000 is a hurricane rated flat wall or siding mounted bracket. The QSWB4000 includes a slider track which allows the shelf/arms to adjust from 6 - 34 in. widths. The Quick Sling line of wall brackets provide a quick, safe, and stable way to mount an outdoor mini-split unit to multiple types of wall structures. The longer shelf depth allows for the manufacturer's recommended clearance for proper airflow. 500 lbs. rated capacity.